12 results
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
- Cushing's syndrome ... , Loop diuretics ... Classification #Features #Diagnosis ... #Comparison #Table ... #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... • Hypovolemic: Diuretics ... , Cushing syndrome ... Workup #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... administration • Osmotic diuresis ... mannitol, glucosuria Low ... #Nephrology #Differential ... #Diagnosis #Algorithm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... Cirrhosis, Nephrotic syndrome ... #differential #diagnosis ... #table #sodium ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... especially thiazide diuretics ... Uosm < 100 mmol/kg ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... especially thiazide diuretics ... Uosm < 100 mmol/kg ... #Nephrology #Differential
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cirrhosis, Nephrotic syndrome ... , Medications (diuretics ... Primary polydipsia, Low ... #Algorithm #diagnosis ... #sodium #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... • Hyponatremia ... and euvolemic hyponatremia ... #Nephrology #Pharmacology ... #Medications #Table
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Diagnosis • ↑ ... liver disease (e.g ... output and/or ↓ diuretic ... type 2 HRS) • Low ... #nephrology #criteria
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Hypovolemia: Diuretics ... Cirrhosis, Nephrotic Syndrome ... Differential #Algorithm #diagnosis ... #causes #nephrology ... #sodium #low